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Fair Value Measurements - Additional Information (Detail) (USD $) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2015 Company Lenders | Mar. 31, 2014 | Dec. 31, 2014
Fair Value Disclosures [Abstract] |  |  |
Interest and dividends | $ 109,000 us-gaap_InterestAndDividendIncomeSecuritiesTradingOrMeasuredAtFairValue | $ 274,000 us-gaap_InterestAndDividendIncomeSecuritiesTradingOrMeasuredAtFairValue |
Mark-to-market gain | 1,400,000 us-gaap_TradingSecuritiesUnrealizedHoldingGainLoss | 429,000 us-gaap_TradingSecuritiesUnrealizedHoldingGainLoss |
Allowance for doubtful accounts on accounts receivable | 2,982,000 us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent |  | 2,719,000 us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent
Number of financial institutions included in counter parties | 17 rrc_NumberOfFinancialInstitutionsIncludedInCounterparties |  |
Number of secured lenders not in banking credit facility | 2 rrc_NumberOfCounterPartiesNotIncludedInBankCreditFacility |  |
Net derivative assets | $ 27,200,000 us-gaap_CreditRiskDerivativeAssetsAtFairValue |  |

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- Definition A valuation allowance for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 4 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=35738203&loc=d3e5074-111524 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.4) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount of operating dividend and interest income, including amortization and accretion of premiums and discounts, on trading securities and other forms of securities that provide ownership interests. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Trading Securities -URI http://asc.fasb.org/extlink&oid=6526789 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.2-3) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 35 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=27723805&loc=d3e24721-111560 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 2, 3 -Article 9 + Details
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